declare const localEnv: string;
declare const ensureEnv: () => void;
declare const noKeySuffix = "You can get a (free) CrUX API key at https://developers.google.com/web/tools/chrome-user-experience-report/api/guides/getting-started";
declare const ensureConfig: () => void;
declare const maskedKey: (key: string) => string;
export { localEnv, ensureEnv, ensureConfig, noKeySuffix, maskedKey };